translate:had now for the 2nd time to reinstall the program. Something is just wrong? Now the program is no longer started. After clicking psm.exe nothing happened.No idea what's going on. Java-6 must also be installed to?

Theoreticaly 54Mbit In most cases you will not get more than 15-20Mbit due to worse reception, channel interferrence etc.Also speed is measures by inaccurate PING so the resulted value is only informative